<form action="<?php e_action("serviceCheckSubmit")?>" method="post">
    <fieldset>
        <legend>服务产品使用</legend>
        <label for="service_code">服务订单密码</label>
        <input type="text" id="service_code" name="service_code" placeholder="请填写服务订单密码"><br/>
    </fieldset>
    <input type="submit"><br/>
</form>